5500A
Operator Manual
4-24
4-25. Setting DC Power Output
Note
Tie the terminals NORMAL LO and AUX LO together at the UUT or at the
5500A, via the “LO”s softkey selection “tied.”
The calibrator produces a dc power output by sourcing a dc voltage on the NORMAL
outputs and a dc current on the AUX outputs. Complete the following procedure to set a
dc power output. If you make an entry error, press G one or more times to clear the
display, then reenter the value.
Caution
Verify the applied voltage to the UUT does not exceed the
rating of the UUT insulation.
1. Press R to clear any output from the 5500A.
2. Connect the UUT as described earlier in this chapter under “Connecting the
Calibrator to a UUT” by adapting the voltage and current connections.
3. Set the UUT to measure dc power on the desired range.
4. Press the numeric keys and decimal point key to enter the desired voltage output
(maximum seven numeric keys). For example, 123.4567.
Note
At voltage outputs of 100 volts and above (nominal), you may notice a
slight high-pitched sound. This is normal.
5. Press I to select the polarity of the voltage (default is +).
6. Press a multiplier key, if necessary. For example, press c.
7. Press V.
8. The Control Display now shows the amplitude of your entry. For example,
123.4567 mV (below).
123.4567 mV
9. Press the numeric keys and decimal point key to enter the desired current output
(maximum six numeric keys). For example, 234.567.
10. Press I to select the polarity of the current (default is +).
11. Press a multiplier key, if necessary. For example, press c.
12. Press A.
13. The Control Display now shows the amplitude of your entries. For example,
123.4567 mV and 234.567 mA (below).
123.4567 mV
234.567 mA
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